
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class FileWriteExample {
    public static void main(String[] args) {
        File file=new File("t.txt");
        String filePath = "t.txt";
        String contentToWrite = "hehejjjjeh\n";

        try (FileWriter fileWriter = new FileWriter(filePath, true)) {
            fileWriter.write(contentToWrite);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}